678382585 has 8 divisors (see below), whose sum is σ = 849453120. Its totient is φ = 519110064.

The previous prime is 678382553. The next prime is 678382589. The reversal of 678382585 is 585283876.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 678382585 - 2⁵ = 678382553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (678382589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2949375 + ... + 2949604.

It is an arithmetic number, because the mean of its divisors is an integer number (106181640).

Almost surely, 2^678382585 is an apocalyptic number.

It is an amenable number.

678382585 is a deficient number, since it is larger than the sum of its proper divisors (171070535).

678382585 is a wasteful number, since it uses less digits than its factorization.

678382585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899007.

The product of its digits is 3225600, while the sum is 52.

The square root of 678382585 is about 26045.7786406934. The cubic root of 678382585 is about 878.6681752080.

The spelling of 678382585 in words is "six hundred seventy-eight million, three hundred eighty-two thousand, five hundred eighty-five".